What causes high MCV and low INR?

High MCV and low INR can be caused by many reasons.

If your MCV is in between 83 fL and 101 fL and your INR is in between 0.9 ratio and 1.2 ratio then you need not worry as these are the normal ranges for MCV and INR respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of MCV : 83 - 101 fL

Ideal values of MCV depending on age :

Age	Ideal MCV value
<5 years	86.519
5-10 years	90.187
10-15 years	94.011
15-20 years	97.997
20-25 years	97.821
25-30 years	97.646
30-35 years	97.47
35-40 years	97.295
40-45 years	97.12
45-50 years	96.946
50-55 years	96.772
55-60 years	100.875
60-70 years	100.694
70-80 years	100.513
80-90 years	100.333
90-100 years	100.153
>100 years	99.972

*Ideal values are calculated based on our database of patient records

If you want your blood test report to be interpreted by MCV specialist, then you can upload your report. Our MCV expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

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Some examples of conditions that increase or decrease MCV levels include:

• Aplastic anemia
• Cold agglutinin disease
• Chronic hypoxia
• Low vitamin B12 level
• Myelodysplastic syndrome

If you want your blood test report to be interpreted by MCV specialist, you can upload your report. Our MCV expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.938
5-10 years	0.978
10-15 years	1.019
15-20 years	1.062
20-25 years	1.107
25-30 years	1.154
30-35 years	1.152
35-40 years	1.15
40-45 years	1.199
45-50 years	1.197
50-55 years	1.195
55-60 years	1.193
60-70 years	1.191
70-80 years	1.188
80-90 years	1.186
90-100 years	1.184
>100 years	1.182

High MCV and low INR can be caused by a lot of reasons. If you take MCV and INR blood tests and the results are higher than 101 fL for MCV and lower than 0.9 ratio for INR, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the MCV and INR Tests Are Done :

If your doctor wants MCV and INR tests on you, you may need to go through these tests. During the MCV and INR blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your MCV and INR Test reports by your pathologist.

Medical References

• MedlinePlus – MCV (Mean Corpuscular Volume)
• Cleveland Clinic – Mean Corpuscular Volume (MCV) Blood Test
• WebMD – Mean Corpuscular Volume (MCV) Blood Test